Fence



FIG. 1 is a top plan view of a fence, in accordance with my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a bottom plan view thereof.

The rear elevational view of the fence is a mirror image of the view of FIG. 2. The features shown in phantom are not part of the claimed design. 

I claim the ornamental design for a fence, as shown and described. 